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Hormuz Strait: Lifeline of the Global Economy or a Furnace of War?

The world today stands at a point where maritime trade routes are not merely channels for transporting goods. They reflect not only economic activity but also a state’s strategic power, security, and international dominance. In this context, while straits such as Malacca, Suez, Bosphorus, or the Panama Canal are important, the significance and sensitivity of the Strait of Hormuz exist on an entirely different level. It is not just a route for transporting oil; rather, it is the center of global economy, political balance, and military strategy. On average, about 20–21 million barrels of oil pass through this narrow strait daily into the international market. This accounts for approximately 20 percent of the world’s total oil supply. The economies of Middle Eastern oil-producing countries—Saudi Arabia, Kuwait, the United Arab Emirates, Qatar, and Iraq—are directly dependent on this strait. Any instability or disruption in the Strait of Hormuz immediately affects the global oil market, putting the stability of the world economy at risk.

The Strait of Hormuz, located between the Persian Gulf and the Gulf of Oman, is a narrow maritime passage approximately 39 kilometers wide in the Middle East. It serves as a vital shipping route for oil, natural gas, and other exports of the Gulf Cooperation Council (GCC) countries. It is considered a focal point of global energy security, international trade, and strategic politics. At the same time, it also determines the regional balance of power in the Middle East. About 20–21 million barrels of oil pass through this strait daily to global markets, accounting for nearly 20 percent of the world’s oil supply.

In the current context, tensions among Iran, Israel, and the United States have further elevated the strategic importance of the Strait of Hormuz. Iran seeks to use control over the strait as leverage to create international pressure, while the United States and Israel continuously take measures to keep it open. Not only in the present, but historically, the Strait of Hormuz has often been a focal point of strategic tension. In the late 19th and early 20th centuries, the British Empire extended its influence over Middle Eastern oil resources by controlling the strait. The British navy maintained a permanent presence to ensure military and commercial security. The importance of the strait was also clearly reflected during the 1973 oil crisis, when disruptions in Arab oil exports caused global oil prices to more than double. During the Iran–Iraq War (1980–1988) and the Gulf War (1990–1991), the strait was used as a military and strategic tool. During wartime, Iran limited adversary movement by deploying naval mines, conducting missile exercises, and demonstrating naval threats. History shows that control over the Strait of Hormuz is not only a display of regional power but also a central instrument in shaping global oil markets, international power balance, and geopolitical strategy.

Iran’s strategic position serves as a key leverage in controlling the strait. Due to its coastal location along the Strait of Hormuz, Iran can disrupt international oil supplies if necessary. Moreover, the strait is crucial for maintaining the regional balance of power in the Middle East. The primary oil exports of GCC countries depend on this route, making its control synonymous with regional influence. Geographically, the strait connects the Persian Gulf to international waters via the Gulf of Oman. Therefore, it is significant not only for oil but also for transporting natural gas and other commercial goods. Any instability in the strait can impact global markets at any time.

The economic importance of the Strait of Hormuz is highly significant. Approximately 20–21 million barrels of crude oil flow through it daily, representing about 20 percent of global oil supply. Any disruption or blockade in the strait can directly lead to a surge in global oil prices and economic instability. Countries like China, India, Japan, and South Korea depend on this route for 30–40 percent of their energy needs. Therefore, restricted navigation or closure of the strait directly affects their industrial production, foreign exchange stability, and economic growth.

Furthermore, by controlling the strait, Iran can apply “oil weapon diplomacy” in global markets. This means that through threats or temporary blockades, it can exert international political pressure. Thus, the Strait of Hormuz is not only vital for oil exports but also essential for maintaining global economic and diplomatic balance. Instability in the strait directly impacts global oil markets, economies, and international politics. Rising oil prices increase inflation, create risks of economic downturns in developing countries, and influence international power dynamics through dual diplomatic strategies and proxy conflicts. In the long term, it creates uncertainty in global trade, industrial production, and energy security.

The military significance of the Strait of Hormuz lies primarily in its narrowness and strategic location. Iran employs an “anti-access/area denial” strategy, capable of obstructing large naval forces before entry. It uses missiles, naval mines, fast attack boats, and drones to assert influence over the strait. Due to its narrow nature, “swarm tactics”—simultaneous attacks using multiple small vessels—are highly effective. Additionally, naval mines can temporarily or permanently halt maritime traffic. These tactics have been effectively used during past conflicts such as the Iran–Iraq War.

On the other hand, the United States and Israel deploy strong naval forces to keep the strait open. Aircraft carriers, destroyers, and submarines ensure protection, enabling rapid military response when necessary. Advanced surveillance technologies such as satellites, radar, and real-time monitoring systems are used to detect potential threats. For these reasons, the Strait of Hormuz is often referred to as a “strategic flashpoint,” where even minor tensions can escalate into international conflict.

The Strait of Hormuz is not only an economic or military hub; it is also a major instrument of regional and global diplomacy. Iran seeks to gain strategic leverage in international politics through control of the strait, using threats or temporary blockades to pressure Western powers. At the same time, the strait serves as a testing ground for the principle of “freedom of navigation” in international diplomacy. The United States, Israel, and their allies aim to maintain this freedom by keeping the strait open, upholding global norms and international law. Through diplomatic pressure and cooperation in international forums such as the United Nations, they strive to protect the strait. In this context, the Strait of Hormuz is considered a central strategic tool not only for the Middle East but for global politics as well, influencing military decisions, international policies, and global power balance.

The near-term future of the Strait of Hormuz can be analyzed on three levels. First, Iran may create temporary disruptions through missile exercises, naval mines, fast boats, and drones, limiting maritime movement. Its narrowness allows even minor threats to obstruct major naval forces. Second, proxy forces and regional diplomacy: Iran can create instability indirectly through allies such as the Houthis in Yemen without direct intervention. Third, economic and diplomatic leverage: threats or temporary blockades can raise global oil prices, enhancing Iran’s diplomatic influence—commonly referred to as “oil weapon diplomacy.” Oil prices have already increased temporarily, though the United States and its allies are responding quickly to keep the strait open.

The United States and Israel have adopted multi-layered strategies to ensure the Strait of Hormuz remains open, focusing on military presence, diplomacy, and technological surveillance. First, military presence: deployment of aircraft carriers, destroyers, submarines, and allied naval units ensures rapid response capability. Second, diplomatic pressure and cooperation: joint patrols with regional allies such as Saudi Arabia and the UAE, along with international support through the United Nations, reinforce the principle of freedom of navigation. Third, technology and intelligence: advanced satellite, radar, and monitoring systems track potential threats, while Israeli cyber and intelligence strategies help limit Iran’s missile and drone capabilities. These measures are critical, as even minor disruptions in the strait can significantly impact global oil markets. The objective of these strategies is to keep the strait open and reduce Iran’s regional influence.

If Iran were to close the strait in the long term, it would severely impact global oil supply. Control over the Strait of Hormuz is not only regional but also a “strategic flashpoint” for the global economy, power balance, and international politics. Oil prices have already surpassed $100 per barrel and could rise to $150–$170. Developing countries, especially India and China, would face economic downturns, while poorer nations would be severely affected. Even the U.S. economy could experience recession. Prolonged disruption could lead to a global economic crisis. Oil-dependent sectors such as chemicals, transportation, and power generation would be heavily impacted. Increased energy costs would raise transportation expenses, leading to higher prices for food and essential goods. Global trade and investment flows would become uncertain, increasing instability in financial markets, currencies, and stock exchanges. Long-term disruptions could result in economic recession, labor market stress, and rising inflation, pushing the global economy toward a stability crisis.

Additionally, international power balance would be disrupted, and regional conflicts could expand. The international community, particularly the United Nations and OPEC, may attempt mediation to keep the strait open. However, this is not a simple solution; it requires a combination of economic incentives, security agreements, and regional cooperation. Overall, the Strait of Hormuz is not only a regional issue but a central pressure point for the global economy and international politics. Any severe crisis or conflict in the strait could directly impact global oil markets, power balance, and security.

To address the complex situation of the Strait of Hormuz, multilateral diplomacy and lasting peace agreements are essential. Maintaining regional balance requires international monitoring and security measures, including from countries like Bangladesh, to prevent domestic energy instability. Developing alternative energy sources and transportation routes, such as the Northern Sea Route or Indian coastal shipping lanes, should be considered. Regional conflicts and proxy wars must be controlled, and freedom of navigation must be ensured under international law. In conclusion, the Strait of Hormuz is not just a narrow waterway; it is a vital center of global peace, power balance, and economic stability.

(The author is Economist, Researcher, and Columnist) Contact:[email protected]